US1280803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined sky-rocket and aeroplane.
Assignee: Individual
•
Filing: 1917-09-10
•
Granted: 1918-10-08
•
Expires: 1937-09-10
Abstract
No abstract record available.
Inventors
- 👤 William Seymour Miners
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:00
CPC Classifications
F; F42; F42B; F42B8/00; F42B8/12; F42B8/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-10-07 | 1922-04-08 | 1922-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-10-07 | 1926-04-08 | 1926-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-10-07 | 1930-04-08 | 1930-10-08 | $7700.00 | Window Closed / Lapsed |